Results 21 to 30 of about 341,740 (199)

A Modified Niching Crow Search Approach to Well Placement Optimization

open access: yesEnergies, 2021
Well placement optimization is considered a non-convex and highly multimodal optimization problem. In this article, a modified crow search algorithm is proposed to tackle the well placement optimization problem.
Jahedul Islam   +6 more
doaj   +1 more source

West Nile Virus Detection in Kidney, Cloacal, and Nasopharyngeal Specimens

open access: yesEmerging Infectious Diseases, 2005
We compared kidney tissue samples and cloacal and nasopharyngeal swab samples from field-collected dead crows and blue jays for West Nile virus surveillance. Compared to tissue samples, 35% more swab samples were false negative. Swab samples were usually
Ojimadu A. Ohajuruka   +3 more
doaj   +1 more source

Macroevolutionary diversity of traits and genomes in the model yeast genus Saccharomyces

open access: yesNature Communications, 2023
Here, the authors describe the geographies, hosts, substrates, and phylogenetic relationships for 1,794 Saccharomyces strains. They provide insight into the genetic and phenotypic diversity in the genus, not seen through prior work focused on the model ...
David Peris   +22 more
doaj   +1 more source

Distribution and Abundance of the Blue Whale (Balaenoptera musculus indica) off Sri Lanka during the Southwest Monsoon 2018

open access: yesJournal of Marine Science and Engineering, 2022
Blue whales Balaenoptera musculus are the most abundant and widely distributed cetacean species in Sri Lankan waters. A vessel-based opportunistic line transect survey focusing on marine mammals was conducted in Sri Lankan waters between 24 June to 12 ...
Liyanage U. S. P. Kirumbara   +3 more
doaj   +1 more source

«Nun also die Krähen». Krähen-Narrationen und -Narrative bei Monika Maron

open access: yesStudia theodisca, 2020
This article focuses on Monika Maron’s Krähengekrächz (2016) and Munin oder Chaos im Kopf (2018). Adopting the approach of Literary Animal Studies, it primarily analyses the diegetic creature “crow”: the species “crow” as well as its individual exponent ...
Ursula Klingenböck
doaj   +1 more source

A continuum of psychosis, one human gene, and not much else - the case for homogeneity [PDF]

open access: yes, 1995
The contention of this paper is that psychoses are not a collection of separate and unrelated diseases, but a set of diverse expressions of a single underlying entity.
Crow, Prof TJ
core   +1 more source

Phylogeography and hybridization of corvid birds in the Palearctic Region

open access: yesВавиловский журнал генетики и селекции, 2019
Natural hybridization increases a lot phenotypic and genetic diversity and shapes intra-species patterns, which is a subject of phylogeography. We studied mitochondrial and complete genome variation in the bird family Corvidae, genera Corvus, Pica ...
A. P. Kryukov
doaj   +1 more source

Comparative West Nile Virus Detection in Organs of Naturally Infected American Crows (Corvus brachyrhynchos)

open access: yesEmerging Infectious Diseases, 2001
Widespread deaths of American Crows (Corvus brachyrhynchos) were associated with the 1999 outbreak of West Nile (WN) virus in the New York City region. We compared six organs from 20 crow carcasses as targets for WN virus detection.
Nicholas A. Panella   +5 more
doaj   +1 more source

Synthetic hybrids of six yeast species

open access: yesNature Communications, 2020
Many industrial organisms are the result of recent or ancient allopolypoidy events. Here the authors iteratively combine the genomes of six yeast species to generate a viable hybrid.
David Peris   +7 more
doaj   +1 more source

Ecoso exchange newsletter 2/19; Apr. 1992 [PDF]

open access: yes, 1992
Contents of this issue: Pages: 1. News from the Crow Collection: The May Celebration; How the Crow Collection is Being Used; Annual Report of the Crow Collection Association; "Scattering Seeds for Change" -A Crow Collection Living Library Project ...

core  

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